Maldi Samenvattingen, Notities en Examens

MBB331 MIDTERM 1 - Spring 2017 ANSWER KEY NAME (PRINT in block letters):____________________________________________ SFU ID: ________________________________________________________________ TA/TUTORIAL DAY:TIME _______________________________________________ Answer all questions in the spaces provided. Keep your answers concise and legible. If your writing is not legible, you will not be given any marks for your answers. Exam total = 45 marks Section 1. Multiple choice and True/False ques...

MB (ASCP) Review & Exam Questions Part II Questions and answers 2023 What is the Beer-Lambert Law? the linear relationship between absorbance and concentration of an absorbing species. What is the Beer-Lambert Law equation? A = ebc A: absorbance e: molar absorptivity c: concentration b: path length DNA and RNA are absorbed at: 260nm Proteins are absorbed at: 280nm What is the melting temperature equation? Tm = (4 x # of GC pairs) + (2 x # of AT p...

Learning Objectives • Explain the translation process from mRNA to amino acid • Explain post-translational modification of proteins • Explain protein synthesis processing in the ribosome • Explain the primary, secondary, tertiary and quaternary structures of protein • Explain the basic principles of mass spectrometry (MALDI-TOF) Introduction In the Protein Synthesis lab, you will learn about the difference between protein synthesis in prokaryote (using E. coli) and eukaryote (us...

Instrumental Analysis ACS Exam 2023 How to calculate signal to noise S/N relationships Beer's Law Beer's Law Calculations Hard ionization vs soft ionization MS: hard ionization sources MS: hard ionization sources examples Electron Impact (EI) EI advantages EI disadvantages MS: soft ionization sources MS: soft ionization sources examples Chemical ionization (CI) fragmentation in CI CI advantages CI disadvantages Electrospray ionization (ESI) MALDI abreviation MALDI Theory MS...

Chem 420 Exam Questions And Answers (Verified And Updated) Three types of electrical domains? - answerAnalog Signals - magnitude of voltage, current, charge, or power; continuous in both amplitude and time Time-domain Signals - time relationship of signal fluctuations; frequency, pulse width, phase Digital Info - Data encoded in discrete levels; great accuracy and precision Where does noise come from? (2 types) - answerChemical noise: temperature, pressure, humidity, fumes, etc Instrumen...

Buffer Order and Henderson Hasselbach - Water, Buffer, Salt, Base pH = pKa + log(A/HA) pKa decrease as temp increase so pH decrease Ramachandran plots - Φ = N-R ψ = C-R optimal angle to prevent steric hinderance Protein structure of a helix, B sheet, reverse turn - a: LEMARKHQ B: VICYFTW RT: PSDNG how many amino acids in alpha turn helix - 3.6 Super secondary structure - helix turn helix parallel vs. antiparallel - parallel wedges face same way antiparallel face opposit...

(MB) ASCP Study Exam Questions Answered 100% correct What is metagenome? Sampling the genome sequence of a community of organisms. Polymorphism involved for Irinotecan? UGT1A1 NGS related to deletions and insertions, coverage, depth? -Paired-end reads for detection of indels -Coverage is how much of your target has been read -Depth is how many times a unique position has been covered Polymerase for lagging strand? Euk - DNA Pol Alpha Pro - DNA Pol I Polymerase...

Albert's Chapter 8 Exam 115 Questions with Verified Answers WITTF: machine that sorts fluorescently labeled cells and nonlabeled cells into separate containers using a strong electric field - CORRECT ANSWER fluorescence-activated cell sorter How are antibodies used to fluorescently label cells? - CORRECT ANSWER fluorescent molecule attached to antibody, which binds to a very specific cell type How does a fluorescent-activated cell sorter work? - CORRECT ANSWER individual cells travel s...

Most common STD - Answer Chlamydia (1.7 mil cases) Skin normal biota is coagulase-negative staph, cornybacterium, and microbacterium smegmatis - Answer males (all ages) Skin normal biota staph and corynbacterium - Answer females (prepuberty and post-menopause) Normal biota of the skin for reproductive-age females in some cases- they carry it asymptomatically - Answer GBS Normal biota of the skin for ___________ includes Enterobacteriaceae and anerobes, strep and staph, and LACTOB...

Instrumental Analysis ACS Final Prep Exam Questions With Correct Answers what are the difference between calibration sensitivity and analytical sensitivity - answercalibration sensitivity is the slope of a calibration curve at the concentration of interest while analytical sensitivity is a response to the noise ratio how to calculate calibration sensitivity - answery=mx+b (m is the calibration sensitivity) graph concentration vs mean analytical signal how to find the analytical sensitivit...